# Solve problems involving the relative size of two quantities (Part 1)

In this lesson, we will solve problems involving the relative size of two quantities.

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Square B is an enlargement of square A. What is the scale factor of this enlargement?

1/3

Q2.Triangle B is an enlargement of triangle A. What is the scale factor of this enlargement?

2/3

Q3.Rectangle A has been enlarged by scale factor 6. What is the missing dimension on rectangle B?

3/3

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Square B is an enlargement of square A. What is the scale factor of this enlargement?

1/3

Q2.Triangle B is an enlargement of triangle A. What is the scale factor of this enlargement?

2/3

Q3.Rectangle A has been enlarged by scale factor 6. What is the missing dimension on rectangle B?

3/3

# Video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

• Click "Close Video"
• Click "Next" to view the activity

Your video will re-appear on the next page, and will stay paused in the right place.

# Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Solve problems involving the relative size of two quantities - Quiz

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.Enlarge 12 by scale factor 1/4.

1/4

Q2.Enlarge 30 by scale factor 1/6.

2/4

Q3.Enlarge 2.5 by scale factor 7.

3/4

Q4.Enlarge 4.8 by scale factor 1/2.

4/4

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Solve problems involving the relative size of two quantities - Quiz

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.Enlarge 12 by scale factor 1/4.

1/4

Q2.Enlarge 30 by scale factor 1/6.

2/4

Q3.Enlarge 2.5 by scale factor 7.

3/4

Q4.Enlarge 4.8 by scale factor 1/2.

4/4

# Lesson summary: Solve problems involving the relative size of two quantities (Part 1)

## Time to move!

Did you know that exercise helps your concentration and ability to learn?

For 5 mins...

Move around:
Climb stairs

On the spot:
Dance